Fix code scanning alert no. 1: Missing rate limiting

server/package.json

@@ -18,7 +18,8 @@
     "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.7.0",
     "nodemon": "^3.1.7",
-    "xlsx": "^0.18.5"
+    "xlsx": "^0.18.5",
+    "express-rate-limit": "^7.4.1"
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.6",

server/routes/admin.routes.js

@@ -12,14 +12,21 @@ import {
 } from '../controllers/admin.controller.js'; // Use .js extension with ES modules
 
 import express from 'express';
+import rateLimit from 'express-rate-limit';
 
 const router = express.Router();
 
+// Configure rate limiter: maximum of 100 requests per 15 minutes
+const limiter = rateLimit({
+    windowMs: 15 * 60 * 1000, // 15 minutes
+    max: 100, // limit each IP to 100 requests per windowMs
+});
+
 // Routes for Admin Operations
-router.get('/admins', getAllAdmin); // Get all admins
-router.get('/admins/:id', getAdmin); // Get a single admin by ID
-router.put('/admins/:id', updateAdmin); // Update admin by ID
-router.delete('/admins/:id', deleteAdmin); // Delete admin by ID
+router.get('/admins', limiter, getAllAdmin); // Get all admins
+router.get('/admins/:id', limiter, getAdmin); // Get a single admin by ID
+router.put('/admins/:id', limiter, updateAdmin); // Update admin by ID
+router.delete('/admins/:id', limiter, deleteAdmin); // Delete admin by ID
 
 // Route for Exporting Data to Excel
 router.get('/admins/exportExcel', exportToExcel);